Interesting Mill Design on Hackaday

[magicniner]

I don't get the "self replicate" bit. Not the spindle - not the slides nor the carriages. Not the racks - not the screws - not even the square bar - not the sweet FA apart from maybe the odd bracket.

Hey,
He'll have a great degree by now and will be telling mere mortals to make parts with a 2mm blind hole at right angles at the bottom of a 100mm deeep 4mm hole ;-)